Trapezoid Area Calculator

            from math import *

def trapezoid_area(a, b, height) -> float:
    return (((a + b) * height) / 2.0)

assert abs(trapezoid_area(6, 10, 4) - 32) < 1e-6 * max(1.0, abs(32))
          

            #include <assert.h>
#include <math.h>

double trapezoid_area(double a, double b, double height) {
    return (((a + b) * height) / 2.0);
}

int main(void) {
    const double expected = 32;
    const double actual = trapezoid_area(6, 10, 4);
    assert(fabs(actual - expected) < 1e-6 * fmax(1.0, fabs(expected)));
}
          

            #include <cassert>
#include <cmath>
#include <numbers>

double trapezoid_area(double a, double b, double height) {
    return (((a + b) * height) / 2.0);
}

int main() {
    constexpr double expected = 32;
    const double actual = trapezoid_area(6, 10, 4);
    assert(std::fabs(actual - expected) < 1e-6 * std::fmax(1.0, std::fabs(expected)));
}
          

x86-64 NASM · System V ABI · Linux · SSE2 with libm where required

            ; double trapezoid_area(double a, double b, double height)
; Linux x86-64 NASM · System V ABI · first eight doubles in xmm0–xmm7
global trapezoid_area
section .text

trapezoid_area:
    push rbp
    mov rbp, rsp
    sub rsp, 64
    movsd [rbp-8], xmm0
    movsd [rbp-16], xmm1
    movsd [rbp-24], xmm2
    movsd xmm0, [rbp-8]
    addsd xmm0, [rbp-16]
    movsd [rbp-48], xmm0
    movsd xmm0, [rbp-48]
    mulsd xmm0, [rbp-24]
    movsd [rbp-40], xmm0
    mov rax, 0x4000000000000000
    movq xmm0, rax
    movsd [rbp-56], xmm0
    movsd xmm0, [rbp-40]
    divsd xmm0, [rbp-56]
    movsd [rbp-32], xmm0
    movsd xmm0, [rbp-32]
    leave
    ret
          

            function result = trapezoid_area(a, b, height)
    result = (((a + b) * height) / 2.0);
end
          

            ClearAll[mwCalculate];
mwCalculate[a_, b_, height_] := (((a + b) * height) / 2.0);